each of the base sides is 7.5cm if it is regular.
The perimeter of a lateral face less the base is 20cm
So the perimeter of the edges on the faces is 40 cm, plus the base perimeter, total perimeter is 70cm
The perimeter of the base of the regular quadrilateral pyramid is P = 30 cm. Find the sum of all edges of this pyramid, if the perimeter of a lateral face is 27.5 cm
2 answers
It is 70!